Carex gentilis subsp. nakaharai (Hayata) T.Koyama. Dataset GBIF Backbone Taxonomy Rank SUBSPECIES Classification kingdom Plantae phylum Tracheophyta class Liliopsida order Poales family Cyperaceae genus Carex species Carex brunnea Name Homonyms Carex gentilis subsp. nakaharai (Hayata) T.Koyama.